Controlled vibrator



July 13, 1954 G. E. CULP CONTROLLED VIBRATOR Filed Aug. 15, 1952 uir tnu m INVENTOR.

Patented July 13, 1954 UNITED STATES PATENT OFFICE CONTROLLED VIBRATORGrafton Eugene Culp, Gadsden, Ala. Application August 13, 1952, SerialNo. 304,067

2 Claims.

This invention relates to a controlled vibrator. It has for its mainobjects to provide such a vibrator that will be highly satisfactory forthe purpose intended, simple in structure, cheap to manufacture, easy toinstall, and extremely durable.

Other objects and advantages will appear from the drawing anddescription.

The invention resides in an arrangement of a solenoid and doublevibrator which results in a controlled vibrator. It is independent ofthe cycle of an alternating electric current or a weight for inertia,therefore it will operate in any position or while the assembly is inmotion.

By refer ng generally to the drawing, a part or" this app rcation, itwill be observed that Fig. 1 is a view showing the vibrator assemblymounted on a case; Fig. 2 is a side edge view of Fig. 1,- and Fig. 3 isa view on line 3-3 of Fig. 1.

Similar reference numerals refer to similar parts throughout the severalviews.

Referring to the drawing in detail it will be seen that the devicecomprises a base board i, pr ferably made of non-conducting material, onwhich a solenoid 2 is held in place by a clamp 3 which also holds inplace vibrator arm 4 which is a spring. A contact arm 5 is connected tothe vibrator arm 4 and is insulated therefrom by insulator 9. Thevibrator arm 4 tends to pull away from the solenoid 2 and in so doing itimpinges against an adjusting screw l having jam nut 3 which preventsany further movement of the vibrator arm 4. However, due to the springin the vibrator arm -3 contact arm 5 continues to recede away from thesolenoid and in so doing brings into contact points i and H which closethe circuit, thereby energizing the solenoid which draws the assernbledarm toward it. Such movement is stopped by contact of the vibrator arm 4with point :2 of the control frame 5. However, the lines or" force ofthe now energized solenoid coninue to act on contact arm 5 pulling ittoward the solenoid until contact of points it and H are broken, thusdeenergizing the solenoid permitting contact arm 5 and vibrator arm 4assembly to again recede from the solenoid, and become ready to repeatthe cycle. The period of the cycle is controlled by the arc throughwhich the assembly vibrates, which are is regulated by the adjust mentor" the adjusting screw i. There is a hole E3 in contact arm 5 to permiteasy clearance of the adjusting screw '4'. Source wires are connected atit it.

The device may be made of any material suitable for the purpose, but Iprefer to use such materials as are generally used for manufacturingelectric vibrators. Also the vibrator may be made in different sizes andcapacities, depending on how and where to be used.

While I have shown and described the preferred embodiment of myinvention, I do not wish to limit same to the exact and precise detailsof structure, but reserve the right to make all modifications andchanges so long as they remain with in the scope of the invention andthe following claims.

Having described my invention I claim:

1. A controlled electric vibrator of the character described comprisinga base, a solenoid mounted on said base, a vibrator arm attached by oneend thereof adjacent said solenoid, said arm be ing a curved springpositioned attached to and leading from the solenoid and then toward thesolenoid with part of its face approximately parallel with the magneticface of said solenoid and extending beyond the face of the solenoid toits end with a contact point in end, a contact arm attached to saidspring vibrator arm with insulation between said two said contact armpositioned parallel with said vibrator arm except an end thereof whichis bent around the spring vibrator arm, a contact point in said end ofthe contact arm in register with the contact point of the vibrator arm,a stop point mounted near the free end of said vibrator arm, a smallbracket attached to the base, an adjusting screw supported in saidbracket, said contact arm having a hole therethrough at a point inregister with said stop point, said adjusting screw being partlyinserted through said hole in said contact arm and being adapted bymanual adjustment for its threaded end to make contact with the vibratorarm at a point directly over said stop point, said screw by itsadjustment as to space from said vi rator arm being adapted to regulatethe vibrating movement as to time of repetition, the contact pointsbeing connected in circuit with the solenoid to periodically interruptthe energization thereof.

2. An adjustable electric vibrator of the class described comprising anassembly cor ting of a base, a solenoid, a clamp, a spring vibrator arm,a contact arm, a plurality of contact points, said clamp holding saidsolenoid and spring vibrator attached to said base, the said vibratorarm positioned with part of its face within the magnetic pull of saidsolenoid with a contact point attached in its free end; a contact armattached by one end thereof to said vibrator arm, insulation betweensaid arms where they are attached together, said contact arm andvibrator arm being in parallel relation where they pass over the face ofsaid solenoid, a contact point in the free end of said contact arm, astop point attached to said base and being positioned between one end ofthe solenoid and the free ends of said arms, said contact arm having ahole therethrough at a point directly opposite said stop point, a smallbracket attached to the base, an adjusting screw supported in saidbracket, the threaded end of said screw inserted through said hole inthe contact arm, said screw being adapted by manual means to regulatethe space between the end of the screw and said vibrator arm, and bythus regulating 4 the width of the space regulates the vibrations as totime of repetition, the contact points being connected in circuit withthe solenoid to periodically interrupt the energization thereof.

References Cited in the file of this patent UNITED STATES PATENTS Date INumber Name 708,539 Fell Sept. 9, 1902 10 2,118,930 Lilja May 31, 19382,187,950 Nulsen Jan. 23, 1940 2,526,006 Cress Oct. 17, 1950

